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annotate lib/python3.8/site-packages/pip/_internal/req/req_uninstall.py @ 0:9e54283cc701 draft

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"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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1 from __future__ import absolute_import
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2
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3 import csv
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4 import functools
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5 import logging
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6 import os
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7 import sys
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8 import sysconfig
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9
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10 from pip._vendor import pkg_resources
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11
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12 from pip._internal.exceptions import UninstallationError
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13 from pip._internal.locations import bin_py, bin_user
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14 from pip._internal.utils.compat import WINDOWS, cache_from_source, uses_pycache
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15 from pip._internal.utils.logging import indent_log
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16 from pip._internal.utils.misc import (
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17 FakeFile,
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18 ask,
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19 dist_in_usersite,
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20 dist_is_local,
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21 egg_link_path,
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22 is_local,
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23 normalize_path,
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24 renames,
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25 rmtree,
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26 )
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27 from pip._internal.utils.temp_dir import AdjacentTempDirectory, TempDirectory
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28 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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29
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30 if MYPY_CHECK_RUNNING:
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31 from typing import (
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32 Any, Callable, Dict, Iterable, Iterator, List, Optional, Set, Tuple,
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33 )
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34 from pip._vendor.pkg_resources import Distribution
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35
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36 logger = logging.getLogger(__name__)
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37
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38
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39 def _script_names(dist, script_name, is_gui):
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40 # type: (Distribution, str, bool) -> List[str]
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41 """Create the fully qualified name of the files created by
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42 {console,gui}_scripts for the given ``dist``.
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43 Returns the list of file names
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44 """
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45 if dist_in_usersite(dist):
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46 bin_dir = bin_user
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47 else:
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48 bin_dir = bin_py
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49 exe_name = os.path.join(bin_dir, script_name)
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50 paths_to_remove = [exe_name]
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51 if WINDOWS:
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52 paths_to_remove.append(exe_name + '.exe')
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53 paths_to_remove.append(exe_name + '.exe.manifest')
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54 if is_gui:
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55 paths_to_remove.append(exe_name + '-script.pyw')
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56 else:
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57 paths_to_remove.append(exe_name + '-script.py')
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58 return paths_to_remove
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59
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60
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61 def _unique(fn):
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62 # type: (Callable[..., Iterator[Any]]) -> Callable[..., Iterator[Any]]
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63 @functools.wraps(fn)
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64 def unique(*args, **kw):
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65 # type: (Any, Any) -> Iterator[Any]
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66 seen = set() # type: Set[Any]
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67 for item in fn(*args, **kw):
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68 if item not in seen:
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69 seen.add(item)
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70 yield item
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71 return unique
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72
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73
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74 @_unique
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75 def uninstallation_paths(dist):
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76 # type: (Distribution) -> Iterator[str]
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77 """
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78 Yield all the uninstallation paths for dist based on RECORD-without-.py[co]
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79
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80 Yield paths to all the files in RECORD. For each .py file in RECORD, add
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81 the .pyc and .pyo in the same directory.
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82
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83 UninstallPathSet.add() takes care of the __pycache__ .py[co].
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84 """
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85 r = csv.reader(FakeFile(dist.get_metadata_lines('RECORD')))
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86 for row in r:
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87 path = os.path.join(dist.location, row[0])
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88 yield path
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89 if path.endswith('.py'):
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90 dn, fn = os.path.split(path)
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91 base = fn[:-3]
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92 path = os.path.join(dn, base + '.pyc')
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93 yield path
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94 path = os.path.join(dn, base + '.pyo')
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95 yield path
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96
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97
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98 def compact(paths):
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99 # type: (Iterable[str]) -> Set[str]
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100 """Compact a path set to contain the minimal number of paths
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101 necessary to contain all paths in the set. If /a/path/ and
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102 /a/path/to/a/file.txt are both in the set, leave only the
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103 shorter path."""
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104
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105 sep = os.path.sep
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106 short_paths = set() # type: Set[str]
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107 for path in sorted(paths, key=len):
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108 should_skip = any(
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109 path.startswith(shortpath.rstrip("*")) and
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110 path[len(shortpath.rstrip("*").rstrip(sep))] == sep
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111 for shortpath in short_paths
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112 )
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113 if not should_skip:
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114 short_paths.add(path)
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115 return short_paths
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116
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117
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118 def compress_for_rename(paths):
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119 # type: (Iterable[str]) -> Set[str]
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120 """Returns a set containing the paths that need to be renamed.
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121
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122 This set may include directories when the original sequence of paths
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123 included every file on disk.
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124 """
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125 case_map = dict((os.path.normcase(p), p) for p in paths)
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126 remaining = set(case_map)
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127 unchecked = sorted(set(os.path.split(p)[0]
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128 for p in case_map.values()), key=len)
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129 wildcards = set() # type: Set[str]
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130
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131 def norm_join(*a):
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132 # type: (str) -> str
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133 return os.path.normcase(os.path.join(*a))
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134
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135 for root in unchecked:
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136 if any(os.path.normcase(root).startswith(w)
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137 for w in wildcards):
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138 # This directory has already been handled.
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139 continue
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140
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141 all_files = set() # type: Set[str]
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142 all_subdirs = set() # type: Set[str]
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143 for dirname, subdirs, files in os.walk(root):
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144 all_subdirs.update(norm_join(root, dirname, d)
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145 for d in subdirs)
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146 all_files.update(norm_join(root, dirname, f)
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147 for f in files)
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148 # If all the files we found are in our remaining set of files to
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149 # remove, then remove them from the latter set and add a wildcard
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150 # for the directory.
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151 if not (all_files - remaining):
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152 remaining.difference_update(all_files)
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153 wildcards.add(root + os.sep)
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154
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155 return set(map(case_map.__getitem__, remaining)) | wildcards
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156
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157
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158 def compress_for_output_listing(paths):
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159 # type: (Iterable[str]) -> Tuple[Set[str], Set[str]]
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160 """Returns a tuple of 2 sets of which paths to display to user
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161
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162 The first set contains paths that would be deleted. Files of a package
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163 are not added and the top-level directory of the package has a '*' added
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164 at the end - to signify that all it's contents are removed.
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165
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166 The second set contains files that would have been skipped in the above
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167 folders.
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168 """
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169
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170 will_remove = set(paths)
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171 will_skip = set()
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172
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173 # Determine folders and files
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174 folders = set()
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175 files = set()
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176 for path in will_remove:
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177 if path.endswith(".pyc"):
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178 continue
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179 if path.endswith("__init__.py") or ".dist-info" in path:
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180 folders.add(os.path.dirname(path))
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181 files.add(path)
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182
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183 # probably this one https://github.com/python/mypy/issues/390
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184 _normcased_files = set(map(os.path.normcase, files)) # type: ignore
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185
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186 folders = compact(folders)
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187
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188 # This walks the tree using os.walk to not miss extra folders
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189 # that might get added.
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190 for folder in folders:
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191 for dirpath, _, dirfiles in os.walk(folder):
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192 for fname in dirfiles:
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193 if fname.endswith(".pyc"):
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194 continue
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195
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196 file_ = os.path.join(dirpath, fname)
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197 if (os.path.isfile(file_) and
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198 os.path.normcase(file_) not in _normcased_files):
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199 # We are skipping this file. Add it to the set.
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200 will_skip.add(file_)
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201
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202 will_remove = files | {
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203 os.path.join(folder, "*") for folder in folders
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204 }
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205
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206 return will_remove, will_skip
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207
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208
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209 class StashedUninstallPathSet(object):
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210 """A set of file rename operations to stash files while
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211 tentatively uninstalling them."""
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212 def __init__(self):
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213 # type: () -> None
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214 # Mapping from source file root to [Adjacent]TempDirectory
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215 # for files under that directory.
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216 self._save_dirs = {} # type: Dict[str, TempDirectory]
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217 # (old path, new path) tuples for each move that may need
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218 # to be undone.
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219 self._moves = [] # type: List[Tuple[str, str]]
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220
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221 def _get_directory_stash(self, path):
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222 # type: (str) -> str
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223 """Stashes a directory.
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224
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225 Directories are stashed adjacent to their original location if
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226 possible, or else moved/copied into the user's temp dir."""
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227
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228 try:
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229 save_dir = AdjacentTempDirectory(path) # type: TempDirectory
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230 except OSError:
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231 save_dir = TempDirectory(kind="uninstall")
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232 self._save_dirs[os.path.normcase(path)] = save_dir
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233
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234 return save_dir.path
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235
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236 def _get_file_stash(self, path):
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237 # type: (str) -> str
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238 """Stashes a file.
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239
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240 If no root has been provided, one will be created for the directory
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241 in the user's temp directory."""
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242 path = os.path.normcase(path)
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243 head, old_head = os.path.dirname(path), None
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244 save_dir = None
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245
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246 while head != old_head:
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247 try:
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248 save_dir = self._save_dirs[head]
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249 break
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250 except KeyError:
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251 pass
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252 head, old_head = os.path.dirname(head), head
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253 else:
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254 # Did not find any suitable root
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255 head = os.path.dirname(path)
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256 save_dir = TempDirectory(kind='uninstall')
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257 self._save_dirs[head] = save_dir
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258
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259 relpath = os.path.relpath(path, head)
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diff changeset
260 if relpath and relpath != os.path.curdir:
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261 return os.path.join(save_dir.path, relpath)
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262 return save_dir.path
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263
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264 def stash(self, path):
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265 # type: (str) -> str
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266 """Stashes the directory or file and returns its new location.
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267 Handle symlinks as files to avoid modifying the symlink targets.
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268 """
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269 path_is_dir = os.path.isdir(path) and not os.path.islink(path)
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270 if path_is_dir:
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271 new_path = self._get_directory_stash(path)
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272 else:
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273 new_path = self._get_file_stash(path)
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274
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275 self._moves.append((path, new_path))
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276 if (path_is_dir and os.path.isdir(new_path)):
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277 # If we're moving a directory, we need to
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278 # remove the destination first or else it will be
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279 # moved to inside the existing directory.
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280 # We just created new_path ourselves, so it will
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281 # be removable.
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282 os.rmdir(new_path)
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283 renames(path, new_path)
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284 return new_path
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285
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286 def commit(self):
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287 # type: () -> None
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288 """Commits the uninstall by removing stashed files."""
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289 for _, save_dir in self._save_dirs.items():
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290 save_dir.cleanup()
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291 self._moves = []
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292 self._save_dirs = {}
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293
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294 def rollback(self):
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295 # type: () -> None
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296 """Undoes the uninstall by moving stashed files back."""
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297 for p in self._moves:
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298 logger.info("Moving to %s\n from %s", *p)
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299
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300 for new_path, path in self._moves:
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301 try:
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302 logger.debug('Replacing %s from %s', new_path, path)
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303 if os.path.isfile(new_path) or os.path.islink(new_path):
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304 os.unlink(new_path)
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305 elif os.path.isdir(new_path):
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306 rmtree(new_path)
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307 renames(path, new_path)
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308 except OSError as ex:
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309 logger.error("Failed to restore %s", new_path)
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310 logger.debug("Exception: %s", ex)
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311
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312 self.commit()
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313
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314 @property
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315 def can_rollback(self):
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316 # type: () -> bool
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317 return bool(self._moves)
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318
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319
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320 class UninstallPathSet(object):
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321 """A set of file paths to be removed in the uninstallation of a
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322 requirement."""
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323 def __init__(self, dist):
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324 # type: (Distribution) -> None
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325 self.paths = set() # type: Set[str]
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326 self._refuse = set() # type: Set[str]
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327 self.pth = {} # type: Dict[str, UninstallPthEntries]
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328 self.dist = dist
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329 self._moved_paths = StashedUninstallPathSet()
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330
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331 def _permitted(self, path):
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332 # type: (str) -> bool
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333 """
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334 Return True if the given path is one we are permitted to
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335 remove/modify, False otherwise.
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336
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337 """
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338 return is_local(path)
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339
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340 def add(self, path):
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341 # type: (str) -> None
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342 head, tail = os.path.split(path)
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343
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344 # we normalize the head to resolve parent directory symlinks, but not
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345 # the tail, since we only want to uninstall symlinks, not their targets
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346 path = os.path.join(normalize_path(head), os.path.normcase(tail))
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347
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348 if not os.path.exists(path):
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349 return
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350 if self._permitted(path):
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351 self.paths.add(path)
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352 else:
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353 self._refuse.add(path)
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354
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355 # __pycache__ files can show up after 'installed-files.txt' is created,
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356 # due to imports
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357 if os.path.splitext(path)[1] == '.py' and uses_pycache:
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358 self.add(cache_from_source(path))
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359
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360 def add_pth(self, pth_file, entry):
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361 # type: (str, str) -> None
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362 pth_file = normalize_path(pth_file)
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363 if self._permitted(pth_file):
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diff changeset
364 if pth_file not in self.pth:
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365 self.pth[pth_file] = UninstallPthEntries(pth_file)
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366 self.pth[pth_file].add(entry)
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367 else:
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368 self._refuse.add(pth_file)
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369
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370 def remove(self, auto_confirm=False, verbose=False):
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371 # type: (bool, bool) -> None
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372 """Remove paths in ``self.paths`` with confirmation (unless
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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373 ``auto_confirm`` is True)."""
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374
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375 if not self.paths:
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376 logger.info(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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377 "Can't uninstall '%s'. No files were found to uninstall.",
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diff changeset
378 self.dist.project_name,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
379 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
380 return
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
381
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
382 dist_name_version = (
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
383 self.dist.project_name + "-" + self.dist.version
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
384 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
385 logger.info('Uninstalling %s:', dist_name_version)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
386
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
387 with indent_log():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
388 if auto_confirm or self._allowed_to_proceed(verbose):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
389 moved = self._moved_paths
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
390
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
391 for_rename = compress_for_rename(self.paths)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
392
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
393 for path in sorted(compact(for_rename)):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
394 moved.stash(path)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
395 logger.debug('Removing file or directory %s', path)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
396
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
397 for pth in self.pth.values():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
398 pth.remove()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
399
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
400 logger.info('Successfully uninstalled %s', dist_name_version)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
401
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
402 def _allowed_to_proceed(self, verbose):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
403 # type: (bool) -> bool
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
404 """Display which files would be deleted and prompt for confirmation
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
405 """
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
406
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
407 def _display(msg, paths):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
408 # type: (str, Iterable[str]) -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
409 if not paths:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
410 return
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
411
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
412 logger.info(msg)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
413 with indent_log():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
414 for path in sorted(compact(paths)):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
415 logger.info(path)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
416
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
417 if not verbose:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
418 will_remove, will_skip = compress_for_output_listing(self.paths)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
419 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
420 # In verbose mode, display all the files that are going to be
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
421 # deleted.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
422 will_remove = set(self.paths)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
423 will_skip = set()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
424
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
425 _display('Would remove:', will_remove)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
426 _display('Would not remove (might be manually added):', will_skip)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
427 _display('Would not remove (outside of prefix):', self._refuse)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
428 if verbose:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
429 _display('Will actually move:', compress_for_rename(self.paths))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
430
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
431 return ask('Proceed (y/n)? ', ('y', 'n')) == 'y'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
432
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
433 def rollback(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
434 # type: () -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
435 """Rollback the changes previously made by remove()."""
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
436 if not self._moved_paths.can_rollback:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
437 logger.error(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
438 "Can't roll back %s; was not uninstalled",
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
439 self.dist.project_name,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
440 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
441 return
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
442 logger.info('Rolling back uninstall of %s', self.dist.project_name)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
443 self._moved_paths.rollback()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
444 for pth in self.pth.values():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
445 pth.rollback()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
446
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
447 def commit(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
448 # type: () -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
449 """Remove temporary save dir: rollback will no longer be possible."""
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
450 self._moved_paths.commit()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
451
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
452 @classmethod
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
453 def from_dist(cls, dist):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
454 # type: (Distribution) -> UninstallPathSet
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
455 dist_path = normalize_path(dist.location)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
456 if not dist_is_local(dist):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
457 logger.info(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
458 "Not uninstalling %s at %s, outside environment %s",
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
459 dist.key,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
460 dist_path,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
461 sys.prefix,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
462 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
463 return cls(dist)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
464
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
465 if dist_path in {p for p in {sysconfig.get_path("stdlib"),
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
466 sysconfig.get_path("platstdlib")}
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
467 if p}:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
468 logger.info(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
469 "Not uninstalling %s at %s, as it is in the standard library.",
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
470 dist.key,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
471 dist_path,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
472 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
473 return cls(dist)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
474
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
475 paths_to_remove = cls(dist)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
476 develop_egg_link = egg_link_path(dist)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
477 develop_egg_link_egg_info = '{}.egg-info'.format(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
478 pkg_resources.to_filename(dist.project_name))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
479 egg_info_exists = dist.egg_info and os.path.exists(dist.egg_info)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
480 # Special case for distutils installed package
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
481 distutils_egg_info = getattr(dist._provider, 'path', None)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
482
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
483 # Uninstall cases order do matter as in the case of 2 installs of the
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
484 # same package, pip needs to uninstall the currently detected version
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
485 if (egg_info_exists and dist.egg_info.endswith('.egg-info') and
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
486 not dist.egg_info.endswith(develop_egg_link_egg_info)):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
487 # if dist.egg_info.endswith(develop_egg_link_egg_info), we
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
488 # are in fact in the develop_egg_link case
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
489 paths_to_remove.add(dist.egg_info)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
490 if dist.has_metadata('installed-files.txt'):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
491 for installed_file in dist.get_metadata(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
492 'installed-files.txt').splitlines():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
493 path = os.path.normpath(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
494 os.path.join(dist.egg_info, installed_file)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
495 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
496 paths_to_remove.add(path)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
497 # FIXME: need a test for this elif block
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
498 # occurs with --single-version-externally-managed/--record outside
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
499 # of pip
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
500 elif dist.has_metadata('top_level.txt'):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
501 if dist.has_metadata('namespace_packages.txt'):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
502 namespaces = dist.get_metadata('namespace_packages.txt')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
503 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
504 namespaces = []
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
505 for top_level_pkg in [
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
506 p for p
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
507 in dist.get_metadata('top_level.txt').splitlines()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
508 if p and p not in namespaces]:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
509 path = os.path.join(dist.location, top_level_pkg)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
510 paths_to_remove.add(path)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
511 paths_to_remove.add(path + '.py')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
512 paths_to_remove.add(path + '.pyc')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
513 paths_to_remove.add(path + '.pyo')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
514
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
515 elif distutils_egg_info:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
516 raise UninstallationError(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
517 "Cannot uninstall {!r}. It is a distutils installed project "
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
518 "and thus we cannot accurately determine which files belong "
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
519 "to it which would lead to only a partial uninstall.".format(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
520 dist.project_name,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
521 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
522 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
523
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
524 elif dist.location.endswith('.egg'):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
525 # package installed by easy_install
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
526 # We cannot match on dist.egg_name because it can slightly vary
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
527 # i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
528 paths_to_remove.add(dist.location)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
529 easy_install_egg = os.path.split(dist.location)[1]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
530 easy_install_pth = os.path.join(os.path.dirname(dist.location),
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
531 'easy-install.pth')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
532 paths_to_remove.add_pth(easy_install_pth, './' + easy_install_egg)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
533
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
534 elif egg_info_exists and dist.egg_info.endswith('.dist-info'):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
535 for path in uninstallation_paths(dist):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
536 paths_to_remove.add(path)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
537
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
538 elif develop_egg_link:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
539 # develop egg
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
540 with open(develop_egg_link, 'r') as fh:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
541 link_pointer = os.path.normcase(fh.readline().strip())
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
542 assert (link_pointer == dist.location), (
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
543 'Egg-link %s does not match installed location of %s '
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
544 '(at %s)' % (link_pointer, dist.project_name, dist.location)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
545 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
546 paths_to_remove.add(develop_egg_link)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
547 easy_install_pth = os.path.join(os.path.dirname(develop_egg_link),
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
548 'easy-install.pth')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
549 paths_to_remove.add_pth(easy_install_pth, dist.location)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
550
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
551 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
552 logger.debug(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
553 'Not sure how to uninstall: %s - Check: %s',
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
554 dist, dist.location,
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
555 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
556
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
557 # find distutils scripts= scripts
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
558 if dist.has_metadata('scripts') and dist.metadata_isdir('scripts'):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
559 for script in dist.metadata_listdir('scripts'):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
560 if dist_in_usersite(dist):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
561 bin_dir = bin_user
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
562 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
563 bin_dir = bin_py
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
564 paths_to_remove.add(os.path.join(bin_dir, script))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
565 if WINDOWS:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
566 paths_to_remove.add(os.path.join(bin_dir, script) + '.bat')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
567
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
568 # find console_scripts
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
569 _scripts_to_remove = []
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
570 console_scripts = dist.get_entry_map(group='console_scripts')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
571 for name in console_scripts.keys():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
572 _scripts_to_remove.extend(_script_names(dist, name, False))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
573 # find gui_scripts
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
574 gui_scripts = dist.get_entry_map(group='gui_scripts')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
575 for name in gui_scripts.keys():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
576 _scripts_to_remove.extend(_script_names(dist, name, True))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
577
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
578 for s in _scripts_to_remove:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
579 paths_to_remove.add(s)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
580
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
581 return paths_to_remove
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
582
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
583
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
584 class UninstallPthEntries(object):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
585 def __init__(self, pth_file):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
586 # type: (str) -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
587 if not os.path.isfile(pth_file):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
588 raise UninstallationError(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
589 "Cannot remove entries from nonexistent file %s" % pth_file
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
590 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
591 self.file = pth_file
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
592 self.entries = set() # type: Set[str]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
593 self._saved_lines = None # type: Optional[List[bytes]]
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
594
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
595 def add(self, entry):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
596 # type: (str) -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
597 entry = os.path.normcase(entry)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
598 # On Windows, os.path.normcase converts the entry to use
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
599 # backslashes. This is correct for entries that describe absolute
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
600 # paths outside of site-packages, but all the others use forward
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
601 # slashes.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
602 # os.path.splitdrive is used instead of os.path.isabs because isabs
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
603 # treats non-absolute paths with drive letter markings like c:foo\bar
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
604 # as absolute paths. It also does not recognize UNC paths if they don't
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
605 # have more than "\\sever\share". Valid examples: "\\server\share\" or
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
606 # "\\server\share\folder". Python 2.7.8+ support UNC in splitdrive.
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
607 if WINDOWS and not os.path.splitdrive(entry)[0]:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
608 entry = entry.replace('\\', '/')
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
609 self.entries.add(entry)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
610
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
611 def remove(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
612 # type: () -> None
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
613 logger.debug('Removing pth entries from %s:', self.file)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
614 with open(self.file, 'rb') as fh:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
615 # windows uses '\r\n' with py3k, but uses '\n' with py2.x
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
616 lines = fh.readlines()
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
617 self._saved_lines = lines
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
618 if any(b'\r\n' in line for line in lines):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
619 endline = '\r\n'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
620 else:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
621 endline = '\n'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
622 # handle missing trailing newline
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
623 if lines and not lines[-1].endswith(endline.encode("utf-8")):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
624 lines[-1] = lines[-1] + endline.encode("utf-8")
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
625 for entry in self.entries:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
626 try:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
627 logger.debug('Removing entry: %s', entry)
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guerler
parents:
diff changeset
628 lines.remove((entry + endline).encode("utf-8"))
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
629 except ValueError:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
630 pass
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
631 with open(self.file, 'wb') as fh:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
632 fh.writelines(lines)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
633
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
634 def rollback(self):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
635 # type: () -> bool
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
636 if self._saved_lines is None:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
637 logger.error(
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
638 'Cannot roll back changes to %s, none were made', self.file
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
639 )
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
640 return False
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
641 logger.debug('Rolling %s back to previous state', self.file)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
642 with open(self.file, 'wb') as fh:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
643 fh.writelines(self._saved_lines)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
diff changeset
644 return True